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12. Alarm – Temperature
Alarm
The alarm icon (1) appears when the target cos
ϕ
is not
reached 6 minutes after all outputs have been switched on.
Temperature
The temperature icon (2) appears when the internal
temperature of the RVC rises above 85°C.
In this case all the steps are automatically disconnected.
Steps are switched on again once the internal temperature is
below 80°c and the temperature icon then disappears.
2
1
Alarm contact
The RVC is also fitted with a normally closed alarm contact. It is closed each time:
1. The target cos
ϕ
is not reached 6 minutes after all outputs have been switched on.
2. The internal temperature of the RVC rises above 85°C.
3. Power supply is missing.
After a power outage, the reset delay time is 40 seconds. During this delay time, the alarm
icon blinks and the alarm contact remains closed.
The alarm contact opens when alarm condition dissapears.
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